.stage-detail .substeps{border-top:1px solid var(--line);grid-column:1/-1;margin-top:4px;padding-top:23px}.substeps-head{justify-content:space-between;align-items:end;gap:24px;margin-bottom:15px;display:flex}.substeps-head span{color:var(--blue);font-size:11px;font-weight:700}.substeps-head h4{letter-spacing:-.03em;margin:6px 0 0;font-size:22px}.substeps-head p{max-width:390px;color:var(--muted);margin:0;font-size:14px;line-height:1.4}.substep-grid{grid-template-columns:repeat(3,1fr);gap:10px;display:grid}.substep{border-radius:var(--radius-sm);min-height:122px;color:var(--ink);text-align:left;transition:transform .18s var(--ease-out), background .18s var(--ease-out), box-shadow .18s var(--ease-out);background:#f8fcfff2;border:1px solid #0000;padding:15px;box-shadow:inset 0 0 0 1px #c6e0f5e6}.substep:hover,.substep.open{box-shadow:inset 0 0 0 1px var(--blue);background:#eaf7ff;transform:translateY(-1px)}.substep>span{color:var(--blue);margin-bottom:9px;font-size:11px;font-weight:700;display:block}.substep b{letter-spacing:-.02em;margin-bottom:7px;font-size:15px;display:block}.substep small{color:var(--muted);font-size:13px;line-height:1.35;font-family:var(--font-display), Sora, sans-serif;display:block}.substep em{color:#285475;border-top:1px solid #b6def4;margin-top:11px;padding-top:10px;font-size:13px;font-style:normal;line-height:1.35;display:block}.substep em strong{color:var(--blue)}.course-plan{background:linear-gradient(#fff,#f5fafe);grid-template-columns:.74fr 1.26fr;gap:54px;padding:92px max(7vw,24px);display:grid}.course-intro p:not(.eyebrow){color:var(--muted);font-size:18px;line-height:1.5}.plan-grid{grid-template-columns:1fr 1fr;gap:12px;display:grid}.plan-grid>div{border-left:3px solid var(--cyan);background:#f1f9fff2;border-radius:0 12px 12px 0;padding:17px 18px}.plan-grid span{color:var(--blue);margin-bottom:8px;font-size:11px;font-weight:700;display:block}.plan-grid b{letter-spacing:-.02em;font-size:16px;line-height:1.25;display:block}.plan-grid p{color:var(--muted);font-size:14px;line-height:1.4;font-family:var(--font-display), Sora, sans-serif;margin:8px 0 0}@media (max-width:850px){.substep-grid,.plan-grid,.course-plan{grid-template-columns:1fr}.substeps-head{flex-direction:column;align-items:start}.topbar nav{gap:16px}}
.presentation-trigger{background:var(--navy);color:#fff;border:0;border-radius:8px;margin-top:17px;padding:10px 12px;font-size:13px;font-weight:800}.presentation-trigger span{color:var(--cyan);margin-left:5px}.presentation-mode{z-index:50;background:var(--navy);color:#fff;flex-direction:column;min-height:100vh;display:flex;position:fixed;inset:0}.presentation-mode>header{border-bottom:1px solid #264d78;align-items:center;gap:20px;height:76px;padding:12px clamp(22px,4vw,64px);display:flex}.presentation-mode>header img{width:140px;height:auto}.presentation-mode>header span{color:#a8c7e1;letter-spacing:1px;flex:1;font-size:12px;font-weight:850}.presentation-mode>header button{color:#fff;background:0 0;border:1px solid #3b6996;border-radius:8px;padding:10px 13px;font-weight:800}.presentation-content{width:min(1180px,100vw - 80px);margin:auto;padding:50px 0 30px}.presentation-content .eyebrow{color:var(--cyan);margin-bottom:15px}.presentation-main{grid-template-columns:1.25fr .75fr;align-items:start;gap:42px;display:grid}.presentation-main h2{letter-spacing:-3px;margin:0 0 18px;font-size:clamp(47px,6vw,80px)}.presentation-job{color:#c0d9ef;max-width:680px;font-size:26px;line-height:1.35}.presentation-detail{border-left:4px solid var(--cyan);max-width:760px;margin-top:38px;padding:13px 0 13px 20px}.presentation-detail>span,.presentation-main aside>span,.presentation-layers>div>span{letter-spacing:1.1px;color:var(--cyan);font-size:11px;font-weight:850}.presentation-detail p{color:#d7e9f6;margin:8px 0 0;font-size:19px;line-height:1.5}.presentation-main aside{background:#0d315c;border:1px solid #285b8f;border-radius:14px;margin-top:8px;padding:28px}.presentation-main aside p{margin:13px 0 0;font-size:23px;font-weight:750;line-height:1.35}.presentation-layers{border-top:1px solid #315a84;margin-top:44px;padding-top:24px}.presentation-layers h3{margin:6px 0 18px;font-size:25px}.presentation-layer-grid{grid-template-columns:repeat(3,1fr);gap:13px;display:grid}.presentation-layer-grid button{text-align:left;color:#fff;background:#103762;border:1px solid #3a6d98;border-radius:11px;min-height:155px;padding:18px}.presentation-layer-grid button:hover,.presentation-layer-grid button.open{border-color:var(--cyan);background:#0d4d7a}.presentation-layer-grid span{color:var(--cyan);margin-bottom:10px;font-size:11px;font-weight:850;display:block}.presentation-layer-grid b{font-size:19px;display:block}.presentation-layer-grid p{color:#bdd8ef;margin:11px 0 0;font-size:15px;line-height:1.4}.presentation-layer-grid em{color:#e4f8ff;border-top:1px solid #467ca8;margin-top:12px;padding-top:11px;font-size:14px;font-style:normal;line-height:1.4;display:block}.presentation-mode>footer{color:#fff;background:#0a2447;border-top:1px solid #285b8f;justify-content:space-between;align-items:center;gap:20px;margin-top:auto;padding:18px clamp(22px,4vw,64px);display:flex}.present-nav{color:#fff;background:0 0;border:1px solid #477aa6;border-radius:8px;padding:12px 16px;font-weight:800}.present-nav.next{background:var(--blue);border-color:var(--blue)}.present-nav:disabled{opacity:.3}.presentation-mode>footer div{text-align:center}.presentation-mode>footer b{font-size:14px;display:block}.presentation-mode>footer span{color:#a8c7e1;margin-top:4px;font-size:12px;display:block}@media (max-width:760px){.presentation-content{width:calc(100vw - 40px);padding:35px 0 22px;overflow:auto}.presentation-main,.presentation-layer-grid{grid-template-columns:1fr}.presentation-main h2{font-size:47px}.presentation-job{font-size:21px}.presentation-main aside{margin:0}.presentation-mode>footer span{display:none}.presentation-mode>footer{gap:8px}.present-nav{padding:10px;font-size:13px}}.presentation-mode,.presentation-mode button{font-family:var(--font-display),Sora,sans-serif}.presentation-job,.presentation-detail p,.presentation-layer-grid p,.presentation-layer-grid em{font-family:var(--font-display),Sora,sans-serif;font-weight:500}.presentation-mode>header span,.presentation-detail>span,.presentation-main aside>span,.presentation-layers>div>span,.presentation-layer-grid span,.presentation-content .eyebrow{font-family:var(--font-mono),"IBM Plex Mono",monospace;letter-spacing:.08em;text-transform:uppercase}
.presentation-mode>header,.presentation-mode>footer{flex:none}.presentation-mode>footer{display:none!important}.presentation-mode{background:radial-gradient(1200px 520px at 12% -10%, #00c2d11f, transparent 55%), radial-gradient(900px 480px at 100% 0%, #ff6b3514, transparent 50%), var(--navy)}.presentation-mode>header{-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);background:#081c38eb;border-bottom:1px solid #00c2d138;height:72px;padding:10px clamp(20px,3vw,40px);position:relative}.presentation-mode>header img{width:118px;height:auto}.presentation-mode>header>span{color:#c5dced;letter-spacing:.12em;font-size:13px;font-weight:800}.presentation-progress{color:#fff;letter-spacing:.04em;font-variant-numeric:tabular-nums;font-size:clamp(18px,2.2vw,22px);font-weight:800;position:absolute;left:50%;transform:translate(-50%)}.presentation-actions{align-items:center;gap:10px;margin-left:auto;display:flex}.presentation-actions .present-nav{color:#fff;background:0 0;border:1px solid #5a8cb8;border-radius:10px;padding:12px 18px;font-size:15px;font-weight:800}.presentation-actions .present-nav.next{background:var(--orange,#ff6b35);border-color:var(--orange,#ff6b35);color:#fff}.presentation-actions .present-nav:disabled{opacity:.35}.presentation-actions button:not(.present-nav){color:#d7e9f6;background:0 0;border:1px solid #3b6996;border-radius:10px;padding:12px 14px;font-size:15px;font-weight:800}.presentation-track{background:#123a63;flex:none;height:4px}.presentation-track>span{background:linear-gradient(90deg, var(--cyan), var(--orange,#ff6b35));height:100%;transition:width .25s;display:block}.presentation-content{flex:auto;grid-template-columns:minmax(0,1fr) minmax(240px,280px);align-items:stretch;gap:32px;width:min(1440px,100vw - 48px);min-height:0;margin:0 auto;padding:28px 0 24px;display:grid;overflow:hidden}.presentation-lesson{scrollbar-gutter:stable;min-width:0;min-height:0;padding-right:8px;overflow:auto}.presentation-lesson>.eyebrow{letter-spacing:.1em;color:var(--cyan);margin-bottom:12px;font-size:14px;font-weight:800}.presentation-lesson .presentation-main{grid-template-columns:1.15fr .85fr;align-items:start;gap:28px;display:grid}.presentation-lesson .presentation-main h2{letter-spacing:-.03em;text-wrap:balance;margin:0 0 14px;font-size:clamp(40px,5.2vw,64px);line-height:1.02}.presentation-lesson .presentation-job{color:#e8f4fc;max-width:36ch;margin:0;font-size:clamp(22px,2.4vw,28px);font-weight:500;line-height:1.35}.presentation-lesson .presentation-detail{border-left:5px solid var(--cyan);max-width:none;margin-top:28px;padding:4px 0 4px 18px}.presentation-lesson .presentation-detail>span,.presentation-lesson .presentation-main aside>span{letter-spacing:.1em;color:var(--cyan);font-size:13px;font-weight:850}.presentation-lesson .presentation-detail p{color:#edf6fc;max-width:48ch;margin:10px 0 0;font-size:clamp(18px,1.7vw,21px);line-height:1.5}.presentation-lesson .presentation-main aside{background:linear-gradient(160deg,#0f3a6a 0%,#0a2c52 100%);border:1px solid #00c2d159;border-radius:16px;margin-top:4px;padding:24px 26px;box-shadow:inset 0 1px #ffffff0f}.presentation-lesson .presentation-main aside p{color:#fff;margin:12px 0 0;font-size:clamp(20px,2vw,24px);font-weight:700;line-height:1.4}.presentation-lesson .presentation-layers{border-top:1px solid #315a84e6;margin-top:32px;padding-top:22px}.presentation-lesson .presentation-layers>div:first-child{margin-bottom:14px}.presentation-lesson .presentation-layers>div:first-child>span{letter-spacing:.1em;color:var(--cyan);font-size:13px;font-weight:850}.presentation-lesson .presentation-layers h3{margin:6px 0 0;font-size:clamp(22px,2.2vw,26px);font-weight:800}.presentation-lesson .presentation-layer-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:14px;display:grid}.presentation-lesson .presentation-layer-grid button{text-align:left;color:#fff;cursor:pointer;background:#0e3563;border:1px solid #3d719e;border-radius:14px;min-height:0;padding:18px 18px 16px;transition:border-color .15s,background .15s,transform .15s}.presentation-lesson .presentation-layer-grid button:hover,.presentation-lesson .presentation-layer-grid button.open{border-color:var(--cyan);background:#12527d;transform:translateY(-1px)}.presentation-lesson .presentation-layer-grid span{color:var(--cyan);letter-spacing:.08em;margin-bottom:8px;font-size:13px;font-weight:850;display:block}.presentation-lesson .presentation-layer-grid b{font-size:clamp(18px,1.6vw,20px);font-weight:800;line-height:1.25;display:block}.presentation-lesson .presentation-layer-grid p{color:#d8ecf8;margin:12px 0 0;font-size:clamp(16px,1.4vw,18px);line-height:1.45}.presentation-lesson .presentation-layer-grid em{color:#fff4e8;border-top:1px solid #4a84b0;margin-top:14px;padding-top:12px;font-size:clamp(15px,1.3vw,17px);font-style:normal;font-weight:600;line-height:1.4;display:block}.presentation-lesson .presentation-layer-grid em:before{content:"Try in class · ";color:var(--orange,#ff6b35);letter-spacing:.02em;font-weight:800}.presentation-dashboard{background:#0b2b52eb;border:1px solid #315f8f;border-radius:16px;flex-direction:column;min-height:0;padding:18px 16px;display:flex;overflow:auto}.presentation-dashboard>div:first-child{margin-bottom:4px}.presentation-dashboard>div:first-child span{color:var(--cyan);letter-spacing:.1em;margin-bottom:4px;font-size:12px;font-weight:850;display:block}.presentation-dashboard>div:first-child b{font-size:18px;font-weight:800;line-height:1.25}.presentation-step-grid{grid-template-columns:1fr;gap:8px;margin-top:16px;display:grid}.presentation-step-grid button{text-align:left;color:#e2f0fa;background:#0d315c;border:1px solid #315f8f;border-radius:10px;grid-template-columns:36px minmax(0,1fr);align-items:center;gap:10px;min-width:0;padding:11px 12px;line-height:1.2;display:grid}.presentation-step-grid button:hover,.presentation-step-grid button.active{border-color:var(--cyan);color:#fff;background:#12527d}.presentation-step-grid button.active{box-shadow:inset 3px 0 0 var(--cyan)}.presentation-step-grid span{color:var(--cyan);font-variant-numeric:tabular-nums;margin:0;font-size:14px;font-weight:850;display:block}.presentation-step-grid b{text-overflow:ellipsis;white-space:nowrap;font-size:14px;font-weight:700;line-height:1.25;display:block;overflow:hidden}@media (max-width:1100px){.presentation-content{grid-template-columns:minmax(0,1fr) 220px;gap:20px}.presentation-lesson .presentation-main,.presentation-lesson .presentation-layer-grid{grid-template-columns:1fr}}@media (max-width:760px){.presentation-mode>header{gap:10px;height:auto;min-height:68px;padding:10px 16px}.presentation-mode>header img{width:98px}.presentation-mode>header>span{display:none}.presentation-progress{margin-left:auto;font-size:16px;position:static;transform:none}.presentation-actions{gap:7px;margin-left:0}.presentation-actions .present-nav,.presentation-actions button:not(.present-nav){padding:10px 12px;font-size:13px}.presentation-content{width:calc(100vw - 32px);padding:20px 0;display:block;overflow:auto}.presentation-dashboard{display:none}}
.brand{color:inherit;transition:opacity .2s var(--ease-out,ease), transform .2s var(--ease-out,ease);border-radius:14px;align-items:center;gap:0;text-decoration:none;display:inline-flex;position:relative}.brand:hover{opacity:.92}.brand:active{transform:scale(.985)}.brand-lockup{align-items:center;gap:10px;display:inline-flex}.brand-lockup__mark{background:var(--portal-glass-strong,#ffffffdb);width:40px;height:40px;box-shadow:var(--portal-shadow,0 8px 22px #061b3a1a), 0 0 0 1px var(--portal-stroke,#061b3a14);-webkit-backdrop-filter:blur(14px)saturate(1.15);border-radius:12px;flex:none;place-items:center;display:grid}.brand-lockup__mark svg{width:40px;height:40px;display:block}.brand-lockup__wordmark{font-family:var(--font-display), Sora, sans-serif;letter-spacing:-.04em;white-space:nowrap;align-items:baseline;gap:.18em;font-size:19px;font-weight:700;line-height:1;display:inline-flex}.brand-lockup__leap{color:#f09018}.brand-lockup__edu{color:var(--navy,#061b3a)}.brand-lockup--footer{gap:8px}.brand-lockup--footer .brand-lockup__mark{border-radius:10px;width:34px;height:34px}.brand-lockup--footer .brand-lockup__mark svg{width:34px;height:34px}.brand-lockup--footer .brand-lockup__wordmark{font-size:16px}.brand img,footer img,.presentation-mode>header img,.portal-access img,.admin-portal>header img{filter:none;object-fit:contain;height:auto}.brand img{width:158px}footer img{width:88px}.presentation-mode>header img{width:140px}.portal-access img{width:132px}.admin-portal>header img{width:128px}footer img,.presentation-mode>header img{box-shadow:none;background:0 0;border-radius:0;padding:0}@media (max-width:850px){.brand-lockup__wordmark{font-size:17px}.brand img{width:136px}}@media (max-width:520px){.brand-lockup{gap:8px}.brand-lockup__mark{border-radius:11px;width:36px;height:36px}.brand-lockup__mark svg{width:36px;height:36px}.brand-lockup__wordmark{font-size:16px}.brand img{width:124px}.admin-portal>header img,.admin-portal.student-portal>header img{width:118px}}@media (prefers-reduced-motion:reduce){.brand{transition:none}}
.topbar-actions{align-items:center;gap:8px;display:flex}.topbar .portal-link{border-radius:var(--radius-pill);min-height:var(--control);color:var(--navy);box-shadow:0 0 0 1px var(--portal-stroke,#061b3a14);font-family:var(--font-display), Sora, sans-serif;letter-spacing:-.02em;transition:background .2s var(--ease-out), color .2s var(--ease-out), box-shadow .2s var(--ease-out), transform .2s var(--ease-out);background:#061b3a0a;border:0;padding:0 14px;font-size:14px;font-weight:650;text-decoration:none}.topbar .portal-link:hover{color:#fff;background:var(--navy);transform:translateY(-1px);box-shadow:0 8px 18px #061b3a29}.topbar .brand-lockup{gap:8px}.topbar .brand-lockup__mark{border-radius:10px;width:34px;height:34px}.topbar .brand-lockup__mark svg{width:34px;height:34px}.topbar .brand-lockup__wordmark{font-size:17px}.stage-detail .presentation-trigger{display:none}@media (max-width:520px){.topbar .portal-link{padding:0 12px;font-size:13px}.topbar .brand-lockup__mark{border-radius:9px;width:32px;height:32px}.topbar .brand-lockup__mark svg{width:32px;height:32px}.topbar .brand-lockup__wordmark{font-size:16px}.ghost{padding:10px 11px}}